A Shakira concert in New Jersey could be leading to a health crisis? Health officials in New Jersey have issued a warning for anyone who attended Shakira’s concert at MetLife Stadium on Thursday, May 15. As reported by WABC, the New Jersey Health Department said that anyone who attended the concert last week could have been exposed to measles because of an infected non-New Jersey attendee. Those who went have been told to remain vigilant if they suspect any symptoms, including a high fever, cough, watery eyes, runny nose and a rash.